QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#89263#5250. Combination LocksjeffqiAC ✓11ms3672kbC++142.3kb2023-03-19 14:16:122023-03-19 14:16:16

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-03-19 14:16:16]
  • 评测
  • 测评结果:AC
  • 用时:11ms
  • 内存:3672kb
  • [2023-03-19 14:16:12]
  • 提交

answer

#include<bits/stdc++.h>
#define rep(i,a,b) for (int i = (a); i <= (b); ++i)
#define drep(i,a,b) for (int i = (a); i >= (b); --i)
#define grep(i,u) for (int i = head[u],v = e[i].v; i; v = e[i = e[i].nxt].v)
#define LL long long
#define pii pair<int,int>
#define pll pair<LL,LL>
#define fi first
#define se second
#define eb emplace_back
#define mp make_pair
using namespace std;
LL read() {
	LL  x = 0,y = 1; char ch = getchar(); while (!isdigit(ch)) {if (ch == '-') y = -y; ch = getchar();}
	while (isdigit(ch)) {x = x*10+ch-'0'; ch = getchar();} return x*y;
}
namespace qiqi {
	const int N = 10,M = 5e5,INF = 0x3f3f3f3f;
	int n,Q,m,s,t,sp,ecnt,head[M],vis[M],c[M],dep[M],cur[M];
	char s0[N],s1[N]; struct Edge {int v,f,nxt;} e[N*M];
	void add(int u,int v,int f) {e[++ecnt] = (Edge){v,f,head[u]}; head[u] = ecnt;}
	void fadd(int u,int v,int f) {add(u,v,f); add(v,u,0);}
	bool bfs(int s,int t) {
		rep(i,0,t) {cur[i] = head[i]; dep[i] = 0;}
		queue<int> q; dep[s] = 1; q.push(s);
		while (!q.empty()) {
			int u = q.front(); q.pop();
			grep(i,u) if (!dep[v] && e[i].f) {
				dep[v] = dep[u]+1; q.push(v);
			}
		}
		return dep[t] != 0;
	}
	int dfs(int u,int t,int f) {
		if (!f || u == t) return f; int res = 0;
		for (int &i = cur[u],v = e[i].v; i; v = e[i = e[i].nxt].v) {
			int k; if (dep[v] == dep[u]+1 && (k = dfs(v,t,min(f,e[i].f)))) {
				f -= k; res += k; e[i].f -= k; e[i^1].f += k; if (!f) break;
			}
		}
		return res;
	}
	int Dinic(int s,int t) {int res = 0; while (bfs(s,t)) res += dfs(s,t,INF); return res;}
	void main() {
		n = read(); Q = read();
		m = (1<<n)-1; sp = 0; ecnt = 1;
		rep(i,0,m) {
			head[i] = vis[i] = 0;
			c[i] = c[i>>1]^(i&1);
		}
		scanf("%s%s",s0,s1); rep(i,0,n-1) {
			sp |= (s0[i] == s1[i]) << i;
		}
		while (Q--) {
			int x = 0; scanf("%s",s0);
			rep(i,0,n-1) x |= (s0[i] == '=') << i;
			vis[x] = 1;
		}
		s = m+1; t = s+1;
		rep(i,s,t) head[i] = 0;
		rep(i,0,m) if (!vis[i]) {
			if (c[i] == c[sp]) {
				if (i != sp) fadd(s,i,1);
				rep(j,0,n-1) {
					int x = i^(1<<j);
					if (!vis[x]) {
						fadd(i,x,1);
					}
				}
			}
			else {
				fadd(i,t,1);
			}
		}
		Dinic(s,t); fadd(s,sp,1);
		puts(Dinic(s,t) ? "Alice" : "Bob");
	}
}
int main() {
	int T = read(); while (T--) qiqi::main(); return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 2ms
memory: 3644kb

input:

2
1 0
0
0
1 1
0
0
.

output:

Alice
Bob

result:

ok 2 lines

Test #2:

score: 0
Accepted
time: 1ms
memory: 3636kb

input:

8
2 0
00
00
2 1
00
00
..
2 1
00
00
=.
2 2
00
00
..
=.
2 1
00
00
.=
2 2
00
00
..
.=
2 2
00
00
=.
.=
2 3
00
00
..
=.
.=

output:

Alice
Alice
Bob
Alice
Bob
Alice
Bob
Bob

result:

ok 8 lines

Test #3:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

20
4 4
4714
5245
..=.
..==
.==.
==..
4 1
2697
1438
.=..
4 5
9255
0677
...=
..==
=..=
==.=
====
4 12
3292
7326
...=
..=.
..==
.=..
.=.=
.==.
=...
=..=
=.==
==..
==.=
====
4 9
8455
2536
...=
..==
.=..
.=.=
.==.
.===
=...
==..
===.
4 12
5755
1517
...=
..=.
..==
.=..
.=.=
.===
=..=
=.=.
=.==
==..
==.=
=...

output:

Alice
Bob
Alice
Bob
Bob
Alice
Bob
Bob
Alice
Alice
Bob
Alice
Alice
Bob
Bob
Bob
Bob
Bob
Bob
Bob

result:

ok 20 lines

Test #4:

score: 0
Accepted
time: 1ms
memory: 3520kb

input:

20
5 30
99942
90170
.....
....=
...==
..=..
..=.=
..==.
..===
.=...
.=..=
.=.=.
.=.==
.==..
.==.=
.===.
.====
=...=
=..=.
=..==
=.=..
=.=.=
=.==.
=.===
==...
==..=
==.=.
==.==
===..
===.=
====.
=====
5 14
11760
95480
...=.
...==
..=..
..=.=
.=...
.=..=
.====
=....
=...=
=.=..
=.==.
==...
==.==
=====...

output:

Bob
Alice
Alice
Alice
Alice
Bob
Bob
Bob
Alice
Alice
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Bob

result:

ok 20 lines

Test #5:

score: 0
Accepted
time: 0ms
memory: 3480kb

input:

20
6 62
188256
588825
......
.....=
....=.
....==
...=..
...=.=
...==.
...===
..=...
..=..=
..=.=.
..=.==
..==..
..==.=
..===.
..====
.=....
.=...=
.=..=.
.=..==
.=.=..
.=.=.=
.=.==.
.=.===
.==..=
.==.=.
.==.==
.===..
.===.=
.=====
=.....
=....=
=...=.
=...==
=..=..
=..=.=
=..==.
=..===
=.=...
=.=.....

output:

Bob
Bob
Alice
Alice
Alice
Bob
Bob
Bob
Bob
Alice
Bob
Bob
Alice
Alice
Alice
Bob
Alice
Alice
Alice
Alice

result:

ok 20 lines

Test #6:

score: 0
Accepted
time: 2ms
memory: 3508kb

input:

20
7 34
1829551
8802318
....=.=
...=.==
...===.
..=..=.
..=..==
..=.==.
.=...==
.=..===
.=.=.=.
.=.==..
.==....
.==...=
.==.=.=
.==.===
.===.==
=.....=
=..=.=.
=..=.==
=..==..
=..==.=
=.=.=..
=.=.=.=
=.==..=
=.==.=.
=.===..
=.===.=
=.=====
==.....
==..===
==.==.=
===....
===..==
====.==
=====.=
7 56...

output:

Alice
Bob
Bob
Alice
Bob
Bob
Alice
Bob
Alice
Bob
Alice
Alice
Alice
Bob
Bob
Alice
Bob
Bob
Alice
Bob

result:

ok 20 lines

Test #7:

score: 0
Accepted
time: 3ms
memory: 3668kb

input:

20
8 101
98515990
35971617
......==
....==..
....==.=
...=.=..
...=.=.=
...=.==.
...==...
...==.==
...===..
...===.=
...====.
..=..=..
..=..==.
..=.=..=
..=.=.==
..=.==.=
..=.===.
..==...=
..==..==
..==.=..
..==.=.=
..===..=
.=...=..
.=...=.=
.=...===
.=..=...
.=..=..=
.=..==.=
.=..===.
.=..====
.=....

output:

Alice
Alice
Bob
Alice
Alice
Alice
Alice
Bob
Bob
Bob
Bob
Bob
Bob
Alice
Bob
Alice
Bob
Bob
Alice
Bob

result:

ok 20 lines

Test #8:

score: 0
Accepted
time: 5ms
memory: 3592kb

input:

20
9 280
799210637
072013670
.........
......=.=
......==.
.....=...
.....=..=
.....=.=.
.....===.
.....====
....=....
....=.==.
....==...
....==..=
....==.==
....=====
...=.....
...=....=
...=...==
...=..=..
...=..=.=
...=..==.
...=.=...
...=.=..=
...=.=.=.
...=.=.==
...=.==.=
...=.====
...==..=.
....

output:

Alice
Bob
Bob
Alice
Bob
Bob
Alice
Alice
Bob
Bob
Bob
Bob
Alice
Bob
Bob
Alice
Alice
Bob
Alice
Bob

result:

ok 20 lines

Test #9:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

20
3 0
000
000
3 1
000
000
...
3 1
000
000
=..
3 2
000
000
...
=..
3 1
000
000
.=.
3 2
000
000
...
.=.
3 2
000
000
=..
.=.
3 3
000
000
...
=..
.=.
3 1
000
000
==.
3 2
000
000
...
==.
3 2
000
000
=..
==.
3 3
000
000
...
=..
==.
3 2
000
000
.=.
==.
3 3
000
000
...
.=.
==.
3 3
000
000
=..
.=.
==.
3 4
0...

output:

Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Bob
Bob
Alice
Bob
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice

result:

ok 20 lines

Test #10:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

20
3 2
000
000
.=.
..=
3 3
000
000
...
.=.
..=
3 3
000
000
=..
.=.
..=
3 4
000
000
...
=..
.=.
..=
3 2
000
000
==.
..=
3 3
000
000
...
==.
..=
3 3
000
000
=..
==.
..=
3 4
000
000
...
=..
==.
..=
3 3
000
000
.=.
==.
..=
3 4
000
000
...
.=.
==.
..=
3 4
000
000
=..
.=.
==.
..=
3 5
000
000
...
=..
.=.
=...

output:

Alice
Alice
Alice
Alice
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Bob
Bob
Alice
Bob
Alice
Bob
Alice
Alice

result:

ok 20 lines

Test #11:

score: 0
Accepted
time: 2ms
memory: 3592kb

input:

20
3 2
000
000
==.
=.=
3 3
000
000
...
==.
=.=
3 3
000
000
=..
==.
=.=
3 4
000
000
...
=..
==.
=.=
3 3
000
000
.=.
==.
=.=
3 4
000
000
...
.=.
==.
=.=
3 4
000
000
=..
.=.
==.
=.=
3 5
000
000
...
=..
.=.
==.
=.=
3 2
000
000
..=
=.=
3 3
000
000
...
..=
=.=
3 3
000
000
=..
..=
=.=
3 4
000
000
...
=..
....

output:

Bob
Bob
Bob
Bob
Bob
Bob
Alice
Bob
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Bob
Bob
Alice
Bob

result:

ok 20 lines

Test #12:

score: 0
Accepted
time: 0ms
memory: 3424kb

input:

20
3 4
000
000
.=.
==.
..=
=.=
3 5
000
000
...
.=.
==.
..=
=.=
3 5
000
000
=..
.=.
==.
..=
=.=
3 6
000
000
...
=..
.=.
==.
..=
=.=
3 1
000
000
.==
3 2
000
000
...
.==
3 2
000
000
=..
.==
3 3
000
000
...
=..
.==
3 2
000
000
.=.
.==
3 3
000
000
...
.=.
.==
3 3
000
000
=..
.=.
.==
3 4
000
000
...
=..
....

output:

Alice
Alice
Alice
Alice
Bob
Bob
Alice
Bob
Alice
Bob
Alice
Alice
Bob
Bob
Bob
Bob
Bob
Bob
Alice
Bob

result:

ok 20 lines

Test #13:

score: 0
Accepted
time: 2ms
memory: 3500kb

input:

20
3 2
000
000
..=
.==
3 3
000
000
...
..=
.==
3 3
000
000
=..
..=
.==
3 4
000
000
...
=..
..=
.==
3 3
000
000
.=.
..=
.==
3 4
000
000
...
.=.
..=
.==
3 4
000
000
=..
.=.
..=
.==
3 5
000
000
...
=..
.=.
..=
.==
3 3
000
000
==.
..=
.==
3 4
000
000
...
==.
..=
.==
3 4
000
000
=..
==.
..=
.==
3 5
000
0...

output:

Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Bob
Bob
Alice
Alice
Alice
Bob
Alice
Alice
Bob
Bob
Bob
Bob

result:

ok 20 lines

Test #14:

score: 0
Accepted
time: 2ms
memory: 3428kb

input:

20
3 3
000
000
.=.
=.=
.==
3 4
000
000
...
.=.
=.=
.==
3 4
000
000
=..
.=.
=.=
.==
3 5
000
000
...
=..
.=.
=.=
.==
3 3
000
000
==.
=.=
.==
3 4
000
000
...
==.
=.=
.==
3 4
000
000
=..
==.
=.=
.==
3 5
000
000
...
=..
==.
=.=
.==
3 4
000
000
.=.
==.
=.=
.==
3 5
000
000
...
.=.
==.
=.=
.==
3 5
000
000
=...

output:

Bob
Bob
Alice
Alice
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Alice
Bob
Alice
Bob
Alice
Alice

result:

ok 20 lines

Test #15:

score: 0
Accepted
time: 2ms
memory: 3592kb

input:

8
3 4
000
000
==.
..=
=.=
.==
3 5
000
000
...
==.
..=
=.=
.==
3 5
000
000
=..
==.
..=
=.=
.==
3 6
000
000
...
=..
==.
..=
=.=
.==
3 5
000
000
.=.
==.
..=
=.=
.==
3 6
000
000
...
.=.
==.
..=
=.=
.==
3 6
000
000
=..
.=.
==.
..=
=.=
.==
3 7
000
000
...
=..
.=.
==.
..=
=.=
.==

output:

Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob

result:

ok 8 lines

Test #16:

score: 0
Accepted
time: 8ms
memory: 3672kb

input:

20
10 815
4819325421
9470583705
.........=
........=.
.......=..
.......=.=
.......==.
.......===
......=...
......=..=
......=.=.
......=.==
......==..
......===.
......====
.....=....
.....=..==
.....=.=..
.....==...
.....==..=
.....==.=.
.....==.==
.....===..
.....===.=
.....====.
.....=====
.......

output:

Alice
Alice
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Bob
Alice
Alice
Bob
Bob
Alice
Bob
Alice
Alice
Alice
Alice

result:

ok 20 lines

Test #17:

score: 0
Accepted
time: 11ms
memory: 3596kb

input:

20
10 7
9410870639
8237933369
.....=.=.=
...==.==..
..===....=
=..==..=.=
=..==.=.==
=.====.=.=
====.===.=
10 285
0225666838
4493031931
..........
.......=..
.......===
......==..
......==.=
......===.
.....=.=..
.....=.===
.....==...
.....==.==
.....===..
....=...=.
....=..===
....=.=...
....=.=..=...

output:

Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob

result:

ok 20 lines